diff --git a/lib/anchor_end.js b/lib/anchor_end.js
index 56e8b85..b2229d8 100644
--- a/lib/anchor_end.js
+++ b/lib/anchor_end.js
@@ -1,3 +1,3 @@
 module.exports = function (str) {
-  // TOOD
+  return /BANANAS$/.test(str)
 }
\ No newline at end of file
diff --git a/lib/anchor_start.js b/lib/anchor_start.js
index 56e8b85..17ad0ca 100644
--- a/lib/anchor_start.js
+++ b/lib/anchor_start.js
@@ -1,3 +1,3 @@
 module.exports = function (str) {
-  // TOOD
+  return /^LITERALLY/.test(str)
 }
\ No newline at end of file
diff --git a/lib/char_class.js b/lib/char_class.js
index a08ee57..0af589e 100644
--- a/lib/char_class.js
+++ b/lib/char_class.js
@@ -1,3 +1,3 @@
 module.exports = function (str) {
-  // TODO
+  return /^[aeiou0-9]/.test(str)
 }
\ No newline at end of file
diff --git a/lib/negated_char_class.js b/lib/negated_char_class.js
index a08ee57..3361e30 100644
--- a/lib/negated_char_class.js
+++ b/lib/negated_char_class.js
@@ -1,3 +1,3 @@
 module.exports = function (str) {
-  // TODO
+  return /^[^0-9][^A-Z]/.test(str)
 }
\ No newline at end of file